M:tG card similarity search
1BR · Enchantment
Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated. When Corrosion leaves the battlefield, remove all rust counters from all permanents.
| Name | Mana | Type | Text |
|---|---|---|---|
| Painwracker Oni | 3BB | Creature — Demon Spirit | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) At the beginning of your upkeep, sacrifice a creature if you don't control an Ogre. 5/4 |
| Hag of Dark Duress | 2B | Creature — Hag Warlock | At the beginning of your upkeep, each opponent discards a card. 2/2 |
| Their Number Is Legion | XBBBB | Sorcery | Create X tapped 2/2 black Necron Warrior artifact creature tokens, then you gain life equal to the number of artifacts you control. Exile Their Number Is Legion. You may cast Their Number Is Legion from your graveyard. |
| Hum of the Radix | 2GG | Enchantment | Each artifact spell costs {1} more to cast for each artifact its controller controls. |
| Okiba Salvage | 4B | Sorcery | Return target creature or Vehicle card from your graveyard to the battlefield. Then put two +1/+1 counters on that permanent if you control an artifact and an enchantment. |
| Clock of DOOOOOOOOOOOOM! | 4 | Artifact | {4}, {T}: Move the CRANK! counter to your Contraption deck's next sprocket and crank any number of that sprocket's Contraptions. |
| Vronos, Masked Inquisitor | 3UU | Legendary Planeswalker — Vronos | [+1]: Up to two other target planeswalkers you control phase out at the beginning of the next end step. (Treat them and anything attached to them as though they don't exist until your next turn.) [−2]: For each opponent, return up to one target nonland permanent that player controls to its owner's hand. [−7]: Target artifact you control becomes a 9/9 Construct artifact creature and gains vigilance, indestructible, and "This creature can't be blocked." Loyalty 5 |
| Premature Burial | 1B | Sorcery | Destroy target nonblack creature that entered the battlefield since your last turn ended. |
| Pointy Finger of Doom | 4 | Artifact | {3}, {T}: Spin Pointy Finger of Doom in the middle of the table so that it rotates completely at least once, then destroy the closest permanent the finger points to. |
| Cybermen Squadron | 7 | Artifact Creature — Cyberman | Nonlegendary artifact creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) 5/5 |